CN106395619B - Truss-like gantry crane girder and truss-like gantry crane - Google Patents
Truss-like gantry crane girder and truss-like gantry crane Download PDFInfo
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- CN106395619B CN106395619B CN201611122925.9A CN201611122925A CN106395619B CN 106395619 B CN106395619 B CN 106395619B CN 201611122925 A CN201611122925 A CN 201611122925A CN 106395619 B CN106395619 B CN 106395619B
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- side crossbeam
- girder
- gantry crane
- truss
- crossbeam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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Abstract
The present invention provides a kind of truss-like gantry crane girder, girder includes extra large side crossbeam and land side crossbeam, extra large side crossbeam and land side crossbeam respectively include two top booms disposed in parallel and two lower booms, top boom and lower boom are located at the four corners of square, and the two side walls of girder are made of more web members being fixedly installed between upper and lower chord member respectively；The upper wall of extra large side crossbeam and land side crossbeam is made of more upper struts between being fixedly installed on two top booms；The lower wall of extra large side crossbeam and land side crossbeam is made of more lower supporting rods between being fixedly installed on two lower booms.The gantry crane of this kind of main beam structure of truss-like gantry crane girder provided by the present invention and application efficiently reduces the front face area of girder, reduce the gantry crane wheel load counter-force of wind load and its generation, reduce the shaking or deformation that girder occurs when windward, torsional property and anti-fatigue performance are good, the weight of girder is significantly alleviated simultaneously, but still the bearing capacity same with common steel flanged beam beam can be kept.
Description
Technical field
The present invention relates to engineering machinery field, especially a kind of truss-like gantry crane girder and truss-like gantry crane.
Background technique
Gantry crane, also known as shore container crane, bridge crane, for what is loaded and unloaded on bank to the container on ship
Equipment plays irreplaceable role in the handling system of harbour container.With the quickening of international trade process, harbour goods
The development of the increase of freight volume and container ship enlargement proposes shore container crane and updates higher want
It asks.In the prior art, crossbeam structure pattern mostly uses steel flanged beam box structure crossbeam.Steel flanged beam box structure crossbeam is mostly side
Shape cube or cube rod structure, using the gantry crane of steel flanged beam crossbeam, not only own wt weight, energy consumption are high, and due to steel flanged beam
Crossbeam front face area is big, and the wind load for causing gantry crane to be born is big, has an adverse effect to gantry crane overall structure, while also generating more
Big work wheel load.
In order to solve the problems, such as that aforementioned gantry crane equipment own wt is big, in the prior art, have a small number of gantry cranes using plate-girder with
Truss composite structure girder mitigates the weight of gantry crane, and lower planes are by being arranged to by the composite structure girder of plate-girder and truss
Truss structure can reduce the weight of gantry crane equipment itself to a certain extent, but the reduction of this weight is limited, and both sides are still
For plate structure, still there is a problem of that front face area is big, energy consumption is high, and this plate-girder and truss composite structure girder are mostly all
It is only used for that parameter is small, the lower small-sized gantry crane of working level.To be further reduced gantry crane own wt, reducing front face area,
In the prior art, gantry crane also uses preceding crossbeam for triangle tube truss structure, the girder that rear crossbeam is box plate girder structure.
As Chinese invention patent application (publication No. CN105398951A) discloses a kind of light-duty small gantry crane, including four vertical
Column, two connection crossbeams of left and right sides, in the front-back direction two lower beams, preceding crossbeam, rear crossbeam；Preceding crossbeam and the installation of rear crossbeam
Above four columns, preceding crossbeam is located in front of four columns, and rear crossbeam is located at four columns rear；Before and after two connection crossbeams
The column in direction connects, and two connection crossbeams are located at below column；Two lower beams are connect with left and right heel post, two lower beams
Below column；The section of column and connection crossbeam and lower beam is circle.According to the patent of invention it will be apparent that, preceding crossbeam
It is body structure with rear crossbeam, side wall is solid slab, although this application benefit is by changing crossbeam and column cross sectional shape
Mitigate the weight of crossbeam, but since crossbeam still uses body structure, heavier-weight, front face area is larger, in actual use
It is still subject to biggish wind-force, is had an adverse effect to structure.
For another example Chinese invention patent application (publication number: CN103318781A) discloses a kind of folding arm crossbeam crane, should
The folding arm crossbeam of folding arm crossbeam crane includes crossbeam on the outside of folding arm inner segment crossbeam and the folding arm being connected with folding arm inner segment crossbeam,
Crossbeam is truss structure on the outside of folding arm, and crossbeam is the trapezoidal girder construction of double casees on the inside of folding arm, i.e., the folding arm crossbeam that the invention provides rises
It is truss structure form that heavy-duty machine, which leans on crossbeam on the outside of the folding arm of extra large side, and the folding arm inner segment crossbeam by land side still uses conventional double casees
Trapezoidal girder construction.Truss structure is understood in the box structure weight than requiring on an equal basis while guaranteeing crossbeam rigidity in weight
Light 20% to 30%, the folding arm crossbeam crane which provides is by setting truss knot for crossbeam on the outside of folding arm
Structure reduces the Energy in use of gantry crane although can mitigate the weight of gantry crane itself, can also reduce front face area accordingly, because of folding
Crossbeam, rear crossbeam are still the trapezoidal girder construction of double casees on the inside of arm, reduction gantry crane own wt, Energy in use and front face area
Limited, rear crossbeam still has that own wt is big, front face area is big, energy consumption is high.
By above-mentioned patent application it is found that by setting truss structure for the fluctuating plate beam of preceding crossbeam or rear crossbeam, though
The weight that so can accordingly mitigate gantry crane itself, also can be reduced corresponding front face area, but because of the left and right of rear crossbeam or rear crossbeam
Piece beam still uses steel flanged beam slab and girder, and that so that rear crossbeam remains unchanged, there are own wts is big, energy consumption is high and front face area is big
Problem.Therefore, how to reduce the own wt of crossbeam, reduce the front face area of crossbeam, while light-weighted crossbeam being made to remain unchanged energy
Large-scale gantry crane big suitable for parameter, working level is high, guarantees higher loading capacity, become this field urgent problem to be solved it
One.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of truss-like gantry crane girders, including it is located on sea
The extra large side crossbeam and the land side crossbeam above land, extra large side crossbeam of side are arranged in parallel with land side crossbeam, and extra large side crossbeam
It is hinged with land side crossbeam, it can be rotated around hinged place relative to land side crossbeam by hinged extra large side crossbeam, extra large side crossbeam and land side are big
Liang Jun respectively includes two top booms disposed in parallel and two lower booms, from the end face of girder, two top booms and
Two lower booms are located at the four corners of square, and the two side walls of extra large side crossbeam and land side crossbeam are respectively by being fixedly installed on
More web members between upper and lower chord member are constituted；The upper wall of extra large side crossbeam and land side crossbeam is by being fixedly installed between two top booms
More upper struts are constituted；The lower wall of extra large side crossbeam and land side crossbeam is by more lower supporting rod structures between being fixedly installed on two lower booms
At.
Truss-like gantry crane girder provided by the present invention efficiently reduces the front face area of girder, reduce wind load and
Its gantry crane wheel load counter-force generated reduces the shaking or deformation that girder occurs when windward, torsional property and anti-fatigue performance
Good, further, main beam structure according to the present invention effectively, significantly alleviates the weight of girder, but still can keep with
The same bearing capacity of steel flanged beam beam has stronger bearing capacity and anti-deformation force.
Preferably, top boom and web member are " H " fashioned iron or I-steel, and top boom is equal with the depth of section of web member.
Further, upper strut and lower supporting rod are rod piece or pipe fitting.
Preferably, axial direction of web member, upper strut and the lower supporting rod on four walls of extra large side crossbeam and land side crossbeam along girder
Triangular in shape or " N " type or the distribution of " K-type " or " rice " font, and respectively by web member on four walls of extra large side crossbeam and land side crossbeam
Or the vertex of arbitrary triangle that constitutes of upper strut or lower supporting rod respectively with the centroidal axis junction of up/down chord member.
Further, the more levels perpendicular to upper and lower chord member are respectively arranged between two top booms, between two lower booms
Support rod, the end of horizontal support bar are located at the vertex of a triangle concurrent being made of web member or in same vertical plane
The axis junction of the triangle intersection being made of upper strut and horizontal support bar of upper wall, positioned at being made of lower supporting rod for lower wall
The axis junction of triangle intersection and triatic stay.
Preferably, it is also tiltedly equipped with one or more hound, hound and abdomen respectively in extra large side crossbeam and land side crossbeam
Bar and/or horizontal support bar form triangular structure.
Further, hound is set on horizontal support bar, and hound is generally aligned in the same plane with web member, hound
One end is fixedly connected with the horizontal support bar for being located at web member upper end, the other end of hound and the level for being located at web member lower end
Support rod is fixedly connected.
Preferably, the quantity of hound and the quantity of horizontal support bar are identical.
Further, hound is pipe fitting.
Preferably, the track slided for load carrying device is axially arranged with along girder on lower boom, track is set to two sidewalls
The outside of web member.
The present invention also provides a kind of truss-like gantry cranes, including door frame, above-mentioned girder, ladder frame and more drawings for drawing girder
Bar, land side crossbeam are fixed on door frame, and one end of more pull rods is individually fixed on girder, and the other end of pull rod is fixed
It is set on the ladder frame of the column top of door frame.
As above, truss-like gantry crane girder of the present invention is simple, and construction cost is low, reduce gantry crane own wt and
Front face area reduces the Energy in use and use cost of gantry crane equipment, is widely portable to the large-scale bank that parameter is big, rank is high
In bridge, the practicability of large-scale gantry crane equipment is improved, should be widely promoted use.
For above content of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly, and in conjunction with attached drawing, make detailed
It is described as follows.
Detailed description of the invention
The present invention is introduced below in conjunction with attached drawing.
Fig. 1 is the structural schematic diagram of truss-like gantry crane of the invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the schematic diagram that the side Fig. 2 Zhong Hai crossbeam 11 is rotated relative to land side crossbeam 12；
Fig. 4-1 is the top view of land side crossbeam 12；
Fig. 4-2 is the main view of land side crossbeam 12；
Fig. 4-3 is the bottom view of land side crossbeam 12；
Fig. 5-1 is the top view of extra large side crossbeam 11；
Fig. 5-2 is the main view of extra large side crossbeam 11；
Fig. 5-3 is the bottom view of extra large side crossbeam 11；
Fig. 6 is the sectional view of girder.
Component label instructions:
1 girder
11 extra large side crossbeams
12 land side crossbeams
13 top booms
14 lower booms
15 web members
16 hinged places
17 jointings
171 auxiliary support bars
18 horizontal support bars
Strut on 19
10 lower supporting rods
2 door frames
21 columns
22 upper beams
23 pull rods
24 ladder frames
3 hounds
4 tracks
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this specification
Revealed content is understood other advantages and efficacy of the present invention easily.Although description of the invention will combine preferred embodiment
It introduces together, but this feature for not representing the invention is only limitted to the embodiment.On the contrary, being invented in conjunction with embodiment
The purpose of introduction is to be possible to the other selections extended or transformation to cover based on claim of the invention.In order to mention
For that will include many concrete details in depth understanding of the invention, being described below.The present invention can also be thin without using these
Section is implemented.In addition, in order to avoid confusion or obscuring emphasis of the invention, some details will be omitted in the de-scription.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, "upper", "lower", "left", "right", "top", "bottom" used in the following description, should not be construed as pair
Limitation of the invention.
The present invention relates to a kind of truss-like gantry crane girders, and truss-like gantry crane girder according to the present invention is preferably applied to
Medium-sized or large-scale gantry crane, the i.e. outreach of gantry crane are 40m-65m.
As shown in Figures 1 to 6, the present invention relates to the extra large side crossbeams that a kind of truss-like gantry crane girder includes above sea
11 and the land side crossbeam 12 above land, extra large side crossbeam 11 be arranged in parallel with land side crossbeam 12, i.e. truss-like gantry crane
Girder 1 is a linear crossbeam, and by lifting load carrying device below girder 1, thus by the container on cargo ship
Or other cargos sling after be transported to land, unload；Or the container of land or other cargo hoistings are transported
Loading is carried out on to cargo ship.In the present invention, the rated load of load carrying device is preferably 35t-65t.
In the present invention, extra large side crossbeam 11 is similar to land side 12 structures of crossbeam, is in cube structure, and the four of cube
Wall is made of four truss, and specifically, extra large side crossbeam 11 and land side crossbeam 12 respectively include two and disposed in parallel wind up
Bar 13 and two lower booms 14, from the end face of girder 1, two top booms 13 and two lower booms 14 are located at square
Four corners.
Further, in the present invention, extra large side crossbeam 11 is hinged with land side crossbeam 12, and by hinged, extra large side crossbeam 11 can
Around hinged place 16 relative to land side crossbeam 12 rotate, when the cargo ship for having the height for having exceeded girder 1 need by when, can be by extra large side
Crossbeam 11 is promoted, thus avoid extra large side crossbeam 11 on cargo ship container or cargo collide.
Further, it is touched to interfere extra large side crossbeam 11 with land side crossbeam 12 when rotating around hinged place 16
It hits, the length of extra large side crossbeam 11 and the top boom 13 of land side crossbeam 12 is less than lower boom 14, and extra large side crossbeam 11 and land side crossbeam
12 are located at the both ends of the surface in outside and horizontal plane is perpendicular, and sea side crossbeam 11 and land side crossbeam 12 are in the opposite two sides in hinged place 16
Face guarantees when extra large side crossbeam 11 is pulled up, extra large side crossbeam 11 will not be sent out with land side crossbeam 12 horizontal by certain angle
Raw interference causes danger, ensure that the safety of girder 1.
Further, due to needing to lift the device for load-carrying below girder 1, setting is needed to supply on girder 1
The track 4 that load carrying device slides, so that load carrying device is run to carry out the transport of cargo.In the present invention, it is preferred to by track 4
Be set to the outside of two sidewalls, avoid interfering with load carrying device, at the same facilitate track laying and conveniently to track into
Row daily maintenance.Further, in the present invention, track 4 is set on two lower booms 14, and load carrying device is preferably suspension type
Trolley.
In the present invention, the extra large side crossbeam 11 of cube structure and land side crossbeam 12 be respectively provided with two it is vertical with sea level
Side wall and the upper wall and lower wall parallel with sea level.The two side walls of extra large side crossbeam 11 and land side crossbeam 12 are respectively by fixing
More web members 15 being set between top boom 13 and lower boom 14 are constituted.The upper wall of extra large side crossbeam 11 and land side crossbeam 12 is by solid
Surely strut 19 on more between two top booms 13 is set to constitute；The lower wall of extra large side crossbeam 11 and land side crossbeam 12 is set by fixation
More lower supporting rods 10 being placed between two lower booms 14 are constituted.
In the present invention, the bearing capacity to further increase truss girder, it is preferred to use H profile steel or I-steel are as upper
Chord member 13 and web member 15.Further, in order to assembly when it is more convenient, H profile steel used by top boom 13 and web member 15 or
The depth of section of I-steel is equal, and when top boom 13 is equal with the depth of section of web member 15, the node of the two is connect
Head has better anti-fatigue performance.
Further, in the present invention, since rod piece or pipe fitting are universal building materials, materials are convenient, cheap, but tie
Structure stability is good, therefore upper strut 19 and lower supporting rod 10 preferably rod piece or pipe fitting, further, in the present invention, rod piece
Or the cross sectional shape of pipe fitting can be selected according to the actual situation.
In the present invention, between each web member 15 on four walls of extra large side crossbeam 11 and land side crossbeam 12, between upper strut 19 and
Axial direction between lower supporting rod 10 respectively along girder 1 is triangular in shape or " N " type or " K-type " or the distribution of " rice " font, and big in extra large side
The top for the arbitrary triangle being made of respectively web member 15 or upper strut 19 or lower supporting rod 10 on four walls of beam 11 and land side crossbeam 12
Point respectively with the centroidal axis junction of up/down chord member 13/14.
Specifically, in the two side walls of girder 1, one end of web member 15 is fixedly connected with top boom 13, web member 15 it is another
One end is fixedly connected with lower boom 14, and each web member 15 joins end to end, and be serrated distribution, forms Warren truss structure, position
In any vertex of a triangle of side wall upper part being made of web member 15 and the centroidal axis junction of top boom 13, it is located under side wall
Any vertex of a triangle being made of web member 15 in portion and the centroidal axis junction of lower boom 14.
Further, in the upper wall of girder 1, the both ends of upper strut 19 are fixedly connected with two top booms 13 respectively, on two
The centroidal axis junction of triangle intersection and top boom 13 that the axis of strut 19 is constituted；In the lower wall of girder 1, lower supporting rod 10
Both ends are fixedly connected with two lower booms 14 respectively, the shape of triangle intersection and lower boom 14 that the axis of two lower supporting rods 10 is constituted
The mandrel congruence is handed over.
Further, it in order to keep the structure of girder 1 more stable, is gone back between two top booms 13, between two lower booms 14
Be respectively arranged with the more horizontal support bars 18 perpendicular to upper and lower chord member 13,14, the end of horizontal support bar 18 with by web member 15
The vertex of a triangle concurrent of composition is in same vertical plane, positioned at the triangle intersection of upper wall being made of upper strut 19
With the axis junction of horizontal support bar 18, positioned at the triangle intersection being made of lower supporting rod 10 and horizontal support bar 18 of lower wall
Axis junction.Horizontal support bar 18 can further increase the anti-unstability performance of about 1 two panels truss of girder.
In the present invention, due between each web member 15 on four walls, between upper strut 19 and between lower supporting rod 10 respectively along master
The axial direction of beam 1 is triangular in shape or " N " type or " K-type " or the distribution of " rice " font, therefore adjacent two web members 15 or upper strut 19
Or lower supporting rod 10 forms triangular structure with top boom 13 or lower boom 14 respectively, so that truss structure is more firm.Further
Ground, positioned at any vertex of a triangle and upper wall being made of web member 15 on two side walls top vertex of a triangle concurrent or
In same vertical plane, positioned at the triangle for any vertex of a triangle and lower wall of two side walls lower part being made of web member 15
The vertex concurrent of shape also makes girder 1 more aesthetically pleasing in same vertical plane so that the structure of truss is more firm.
In the present invention, it is preferred to make web member 15, upper strut 19, lower supporting rod 10 and each horizontally-supported by the way of welding
Bar 18 is connected with top boom 13 and lower boom 14.
In the present invention, the structural stability and torsional rotation force of girder 1 in order to further increase, extra large side crossbeam 11 and
One or more hound 3 is also tiltedly equipped in land side crossbeam 12 respectively, the stability of triangle is utilized in hound 3, with web member
15 and/or horizontal support bar 18 formed triangular structure, increase girder 1 torsional rigidity.In the present invention, hound 3 is preferred
For pipe fitting, select pipe fitting as hound in addition to drawing materials conveniently, pipe fitting is also convenient to be welded with the welding surface of any shape
It connects, matching degree is high.
Further, in the present invention, the horizontal support bar 18 between two top booms 13 preferably uses tubing, materials
Conveniently and convenient for welding；Horizontal support bar 18 between two lower booms 14 preferably uses H profile steel or I-steel, and H profile steel
Or the depth of section of I-steel is identical as the depth of section of lower boom 14, it so can be to two tracks being located on lower boom 14
4 load born are balanced, while can also further mitigate the weight of girder 1 in the case where guaranteeing 1 intensity of girder.
Further, in the present invention, it is preferred to which hound 3 is set on horizontal support bar 18, and hound 3 and web member
15 are generally aligned in the same plane, and one end of hound 3 is fixedly connected with the horizontal support bar 18 for being located at 15 upper end of web member, hound 3
The other end be located at 15 lower end of web member horizontal support bar 18 be fixedly connected.
Further, in the present invention, hound 3 is preferably more, and identical as the quantity of horizontal support bar 18, i.e.,
A hound 3 is respectively set on each horizontal support bar 18, with further increase girder 1 bearing capacity and anti-de-stabilise
Energy.
The invention also discloses a kind of truss-like gantry cranes, as shown in Figure 1-Figure 3, including door frame 2, girder 1,24 and of ladder frame
More pull rods 23 of girder 1 are drawn, land side crossbeam 12 is fixed on door frame 2, and one end of more pull rods 23 is individually fixed in
The different location of girder 1, the other end of pull rod 23 are fixedly installed on the ladder frame 24 on 21 top of column of door frame 2.
Further, in the present invention, upper beam 22 is equipped in door frame 2, land side crossbeam 12 passes through jointing 17 and auxiliary
Support rod 171 is helped to be fixed on the bottom of upper beam 22.Jointing 17 be enclosed housing structure, the width of enclosed housing with
The cross-sectional width of upper beam 22 is identical, and the thickness of enclosed housing is identical as the depth of section of top boom 13.Here, by closed
The width of cabinet be arranged to it is of same size with the cross section of upper beam 22, with this can by upper beam 22 and enclosed housing jail
Gu it is fixed, at the same the thickness of enclosed housing is arranged to it is identical as the depth of section of top boom 13 so that enclosed housing with
Top boom 13 matches, and enclosed housing can be soldered in top boom 13 with this, become the component part of top boom 13.Into
One step, two basal edges of enclosed housing bottom surface then pass through more auxiliary support bars 171 (as shown in the Fig. 4-2) respectively with wind up
Bar 13 is fixedly connected with lower boom 14, i.e. each basal edge of enclosed housing bottom surface was not only connect with top boom 13, but also and lower edge
Bar 14 connects, and so as to improve the ability to bear of enclosed housing, connects to further increase land side crossbeam 12 with upper beam 22
Connect the bearing capacity at position.
The girder of truss-like gantry crane provided by the invention ensure that the steady of trussed girder due to using truss structure
Qualitative and load further reduces the weight and front face area of gantry crane itself, also further reduces making for gantry crane equipment
With energy consumption and use cost.
To sum up, truss-like gantry crane girder according to the present invention and gantry crane structure with truss-like girder are simple, build
It is simple to make process, significantly reduces production cost, in addition, the carrying of the girder of truss-like gantry crane according to the present invention and gantry crane
Performance is good, has good anti-torsion performance and anti-fatigue performance, securely and reliably, is worth widely promoting the use of.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.This field
Technical staff without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Therefore, it is not taking off
It, should be by right of the invention from all equivalent modifications or change completed under disclosed spirit and technical idea
It is required that being covered.
Claims (10)
1. a kind of truss-like gantry crane, which is characterized in that including door frame, girder, ladder frame and the traction girder more pull rods,
One end of the more pull rods is individually fixed on the girder, and the other end of the pull rod is fixedly installed on the door frame
On the ladder frame of column top；
The girder includes the extra large side crossbeam above sea and the land side crossbeam above land, sea side crossbeam
It is arranged in parallel with land side crossbeam, and the extra large side crossbeam and land side crossbeam are hinged, passes through the hinged extra large side crossbeam
It can be rotated around hinged place relative to land side crossbeam, which is characterized in that the sea side crossbeam is distinguished with land side crossbeam
Including two top booms disposed in parallel and two lower booms, from the end face of the girder, two top booms and
Two lower booms are located at the four corners of square, the two side walls of the sea side crossbeam and land side crossbeam respectively by
More web members being fixedly installed between the upper and lower chord member are constituted；The upper wall of the sea side crossbeam and land side crossbeam is by solid
Surely strut on more between two top booms is set to constitute；The lower wall of the sea side crossbeam and land side crossbeam is by solid
Surely more lower supporting rods being set between two lower booms are constituted；
Land side crossbeam is fixed on the door frame；
The door frame is equipped with upper beam, and land side crossbeam is fixed on the upper beam by jointing and auxiliary support bar
Bottom；
The jointing is enclosed housing, and the width of the enclosed housing is identical as the cross-sectional width of the upper beam,
The thickness of the enclosed housing is identical as the depth of section of the top boom, and the upper beam is fixed with the enclosed housing
Connection, the enclosed housing and the top boom weld；
The top boom and web member are " H " fashioned iron or I-steel.
2. truss-like gantry crane as described in claim 1, which is characterized in that the depth of section phase of the top boom and the web member
Deng.
3. truss-like gantry crane as described in claim 1, which is characterized in that the upper strut is rod piece or pipe with the lower supporting rod
Part.
4. truss-like gantry crane as claimed in claim 3, which is characterized in that four walls of sea the side crossbeam and land side crossbeam
On the web member, the upper strut and the lower supporting rod along the axial direction of the girder is triangular in shape or " N " type or " K-type " or
The distribution of " rice " font, and respectively by the web member or the upper strut on four walls of the extra large side crossbeam and land side crossbeam
Or the vertex centroidal axis junction with the up/down chord member respectively of the arbitrary triangle of the lower supporting rod composition.
5. truss-like gantry crane as claimed in claim 4, which is characterized in that between two top booms, two lower booms
Between be respectively arranged with the more horizontal support bars perpendicular to the upper and lower chord member, the end of the horizontal support bar with by described
The vertex of a triangle concurrent or be in same vertical plane that web member is constituted, positioned at being made of the upper strut for the upper wall
The axis junction of triangle intersection and the horizontal support bar, the triangle being made of the lower supporting rod positioned at the lower wall are handed over
The axis junction of point and the triatic stay.
6. truss-like gantry crane as claimed in claim 5, which is characterized in that in the sea side crossbeam and land side crossbeam also
It is tiltedly equipped with one or more hound, the hound and the web member respectively and/or horizontal support bar forms triangular structure.
7. truss-like gantry crane as claimed in claim 6, which is characterized in that the hound is set to the horizontal support bar
On, and the hound is generally aligned in the same plane with the web member, one end of the hound be located at the web member upper end
The horizontal support bar is fixedly connected, the other end of the hound and the horizontal support bar for being located at the web member lower end
It is fixedly connected.
8. truss-like gantry crane as claimed in claim 7, which is characterized in that the quantity of the hound and the horizontal support bar
Quantity it is identical.
9. truss-like gantry crane as claimed in claim 6, which is characterized in that the hound is pipe fitting.
10. truss-like gantry crane as described in claim 1, which is characterized in that the axial direction on the lower boom along the girder is set
There is the track slided for load carrying device, the track is set to the outside of two side walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122925.9A CN106395619B (en) | 2016-12-08 | 2016-12-08 | Truss-like gantry crane girder and truss-like gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111483614A (en) * | 2019-01-27 | 2020-08-04 | 珠海达理宇航科技有限公司 | Cable truss |
| CN115611173A (en) * | 2022-09-08 | 2023-01-17 | 三一海洋重工有限公司 | Front girder pitching mechanism and shore bridge |
Citations (2)
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| CN2509164Y (en) * | 2001-08-30 | 2002-09-04 | 上海港口机械制造厂 | Light shore container elevator |
| CN202465081U (en) * | 2011-12-31 | 2012-10-03 | 湖南利德金属结构有限责任公司 | Secondary hook lifting capacity improving device of gantry crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5865850A (en) * | 1981-10-16 | 1983-04-19 | 株式会社日立製作所 | Joint of truss structure |
| CN103321152B (en) * | 2012-07-23 | 2015-03-18 | 上海振华重工(集团)股份有限公司 | Telescopic truss crossbeam and manufacture method thereof |
| CN103318781B (en) * | 2012-11-01 | 2015-05-13 | 上海振华重工(集团)股份有限公司 | Crane provided with folding arm and beams |
| CN103072902B (en) * | 2013-01-14 | 2015-02-18 | 同济大学 | Double-crossbeam quayside container crane |
| CN203699723U (en) * | 2013-12-31 | 2014-07-09 | 珠海三一港口机械有限公司 | Container crane |
| CN204173807U (en) * | 2014-09-30 | 2015-02-25 | 华电重工股份有限公司 | Two three drawbar structures of a kind of bank bridge |
| CN105398951A (en) * | 2015-12-24 | 2016-03-16 | 三一海洋重工有限公司 | Light small shore bridge |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2509164Y (en) * | 2001-08-30 | 2002-09-04 | 上海港口机械制造厂 | Light shore container elevator |
| CN202465081U (en) * | 2011-12-31 | 2012-10-03 | 湖南利德金属结构有限责任公司 | Secondary hook lifting capacity improving device of gantry crane |
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